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Finding the Fourth Proportional to 169,657.50, 254,444.20 and 57,335.20

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Solution

The fourth proportional to 169,657.50, 254,444.20 and 57,335.20 is: 85,988.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,657.50 : 254,444.20 = 57,335.20 : x
  2. Step 2: Convert to fraction form
    169,657.50/254,444.20 = 57,335.20/x
  3. Step 3: Cross multiply
    169,657.50x = 254,444.20 × 57,335.20
  4. Step 4: Simplify right side
    169,657.50x = 14,588,609,095.84
  5. Step 5: Solve for x
    x = 14,588,609,095.84/169,657.50
  6. Step 6: Final answer
    x = 85,988.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.